1. Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your ZHONGJI Smart POS System Cash Register, model SET04. Please read this manual thoroughly before using the system to ensure proper functionality and longevity of your device. The SET04 system is designed to streamline transactions for various retail environments, including small businesses, supermarkets, grocery stores, and convenience stores.
2. System Setup
Follow these steps to correctly set up your ZHONGJI Smart POS System SET04.
- Unpacking: Carefully remove all components from the packaging. Verify that all items listed in the packing list are present.
- Placement: Position the main POS unit on a stable, flat surface. Ensure adequate ventilation around the unit.
- Connect Peripherals:
- Connect the 80mm Thermal Receipt Printer to the designated USB port.
- Connect the Cash Drawer to the printer's RJ11 port.
- Connect the Desktop Scanner to a free USB port.
- Connect the Keyboard and Mouse to available USB ports.
- Connect the power adapter to the main unit and then to a power outlet.
- Initial Power-On: Press the power button on the main unit. The system will boot into Windows 10.
- Software Initialization: The pre-installed POS software will launch automatically. Follow any on-screen prompts for initial setup, such as setting up user accounts and store details.

3. Operating Instructions
This section outlines the basic operations of the ZHONGJI Smart POS System SET04.
3.1. Basic Navigation
The system features a smart touch screen monitor for intuitive operation. The main interface provides access to various functions such as POS, Daily Report, Data Refresh, Back Office, Parameters, and Exit.

3.2. Adding Products
To add products to the system:
- Navigate to the 'Back Office' or 'Parameters' section from the main menu.
- Select 'Product Management' or a similar option.
- You can input product details manually or use the desktop scanner to scan existing barcodes. The system supports UPC input.
- Enter product name, price, category, and any other relevant information. Save the entry.
3.3. Processing Sales
To process a transaction:
- From the main menu, select 'POS' to enter the point-of-sale interface.
- Scan each product's barcode using the desktop scanner. The item will appear on the screen with its price.
- For items without barcodes or manual entry, use the on-screen keyboard or product lookup function.
- Once all items are added, select 'Payment'.
- Enter the amount received from the customer. The system will calculate change due.
- Confirm the transaction. The cash drawer will open automatically, and a receipt will print.

4. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your POS system.
4.1. Cleaning
- Screen: Use a soft, lint-free cloth and a non-abrasive screen cleaner. Do not spray cleaner directly onto the screen.
- Exterior: Wipe the exterior surfaces with a soft, damp cloth. Avoid harsh chemicals.
- Printer: Periodically clean the thermal print head with an alcohol swab to prevent print quality issues. Refer to the printer's specific manual for detailed cleaning instructions.
- Scanner: Keep the scanner window clean and free of dust or debris to ensure accurate scanning.
4.2. Software Updates
Regularly check for and install software updates for both Windows 10 and the POS application. Updates often include performance improvements, security patches, and new features. Follow the on-screen instructions for any update procedures.
4.3. Data Backup
It is crucial to regularly back up your sales data and product information. The system allows for data backup to a USB drive. Consult the POS software's help section for specific instructions on how to perform a backup.
5. Troubleshooting
This section addresses common issues and their potential solutions.
- System Not Powering On:
- Check if the power cable is securely connected to both the unit and the power outlet.
- Verify the power outlet is functional.
- Printer Not Printing:
- Ensure the printer is powered on and connected to the POS unit.
- Check if the thermal paper roll is installed correctly and not jammed.
- Verify printer drivers are installed and updated in Windows 10.
- Scanner Not Reading Barcodes:
- Ensure the scanner is properly connected via USB.
- Clean the scanner window.
- Check the barcode for damage or poor print quality.
- Touch Screen Unresponsive:
- Restart the POS system.
- Ensure the screen is clean and free of obstructions.
- System Running Slowly:
- Close unnecessary applications running in the background.
- Perform regular system maintenance, including disk cleanup and defragmentation (if applicable for SSD).
- Ensure sufficient free space on the 128GB SSD.
For issues not covered here, please refer to the 'Warranty and Support' section for assistance.
6. Specifications
Key technical specifications for the ZHONGJI Smart POS System SET04:
- Model: SET04 (Default upgrade to new design)
- Main Display: 15-inch Touch Screen
- Customer Display: 11.6-inch
- Processor: Motherboard CPU I5
- RAM: 8GB
- Storage: 128GB SSD
- Operating System: Windows 10
- Printer: 80mm Thermal Receipt Printer
- Interfaces: 6 USB Ports, 1 HDMI, 1 VGA, 1 LAN Port, 2 Audio Output
- Dimensions: 14 x 10 x 14 inches (Product Dimensions)
- Included Accessories: Cash Drawer, Desktop Scanner, Keyboard & Mouse, POS Software (No Monthly Fees)

7. Warranty and Support
ZHONGJI provides comprehensive support for your POS system.
- Software Service: Enjoy free lifetime software service, ensuring your POS software remains up-to-date and functional without monthly fees.
- Technical Support: For any technical inquiries or assistance, please contact ZHONGJI customer support. Refer to your purchase documentation or the manufacturer's website for contact details.
- Warranty: Specific warranty details for hardware components are provided at the time of purchase. Please retain your proof of purchase for warranty claims.
8. Conclusion
The ZHONGJI Smart POS System SET04 is a robust and efficient solution for managing sales and operations in various retail environments. By following the instructions in this manual, you can ensure reliable performance and maximize the benefits of your POS system. We are committed to providing excellent products and support to our customers.